Home / 1,465,459.38-2,023,320.87-915,013.20

Finding the Fourth Proportional to 1,465,459.38, 2,023,320.87 and 915,013.20

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Solution

The fourth proportional to 1,465,459.38, 2,023,320.87 and 915,013.20 is: 1,263,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,459.38 : 2,023,320.87 = 915,013.20 : x
  2. Step 2: Convert to fraction form
    1,465,459.38/2,023,320.87 = 915,013.20/x
  3. Step 3: Cross multiply
    1,465,459.38x = 2,023,320.87 × 915,013.20
  4. Step 4: Simplify right side
    1,465,459.38x = 1,851,365,303,885.48
  5. Step 5: Solve for x
    x = 1,851,365,303,885.48/1,465,459.38
  6. Step 6: Final answer
    x = 1,263,334.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.